1 files changed, 0 insertions, 48 deletions
diff --git a/src/Costasdev.Busurbano.Backend/Helpers/ContrastHelper.cs b/src/Costasdev.Busurbano.Backend/Helpers/ContrastHelper.cs
deleted file mode 100644
index f9fd5f2..0000000
--- a/src/Costasdev.Busurbano.Backend/Helpers/ContrastHelper.cs
+++ /dev/null
@@ -1,48 +0,0 @@
-namespace Costasdev.Busurbano.Backend.Helpers;
-
-using System;
-using System.Globalization;
-
-public static class ContrastHelper
-{
-    public static string GetBestTextColour(string backgroundHex)
-    {
-        // Strip #
-        backgroundHex = backgroundHex.TrimStart('#');
-
-        if (backgroundHex.Length != 6)
-            throw new ArgumentException("Hex colour must be 6 characters (RRGGBB)");
-
-        // Parse RGB
-        int r = int.Parse(backgroundHex.Substring(0, 2), NumberStyles.HexNumber);
-        int g = int.Parse(backgroundHex.Substring(2, 2), NumberStyles.HexNumber);
-        int b = int.Parse(backgroundHex.Substring(4, 2), NumberStyles.HexNumber);
-
-        // Convert to relative luminance
-        double luminance = GetRelativeLuminance(r, g, b);
-
-        // Contrast ratios
-        double contrastWithWhite = (1.0 + 0.05) / (luminance + 0.05);
-        double contrastWithBlack = (luminance + 0.05) / 0.05;
-
-        if (contrastWithWhite >= 2.5)
-        {
-            return "#FFFFFF";
-        }
-
-        return "#000000";
-    }
-
-    private static double GetRelativeLuminance(int r, int g, int b)
-    {
-        double rs = r / 255.0;
-        double gs = g / 255.0;
-        double bs = b / 255.0;
-
-        rs = rs <= 0.03928 ? rs / 12.92 : Math.Pow((rs + 0.055) / 1.055, 2.4);
-        gs = gs <= 0.03928 ? gs / 12.92 : Math.Pow((gs + 0.055) / 1.055, 2.4);
-        bs = bs <= 0.03928 ? bs / 12.92 : Math.Pow((bs + 0.055) / 1.055, 2.4);
-
-        return 0.2126 * rs + 0.7152 * gs + 0.0722 * bs;
-    }
-}